Reported to linkbio on (b)(6) 2023 regarding a failure of a modular fusion nail, with dr.M.Originally implanted (b)(6) 2019 for revision surgery on (b)(6) 2023.It appeared that the implant being revised was implanted backwards.The screws are not recessed all the way, as they were inserted in the wrong side of the tibia component.Revision surgery was reported to be very successful.